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បានបើក៖ ថ្ងៃអង្គារ ទី25 ខែកុម្ភៈ ឆ្នាំ2025, 12:00 AM
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1. Write the phrasal verbs based on the definition below

1. To become less common and stop existing 
……………………………………………………
2. To take care of someone or something 
……………………………………………………
3. To suggest or think of an idea or a plan
……………………………………………………
4. To think about or begin to consider something 
 ……………………………………………………
5. To become successful 
 ……………………………………………………
6.  To improve 
 ……………………………………………………
7. Arrange something for a later time 
  ……………………………………………………
8. To stop doing something 
 ……………………………………………………
9. To remove 
……………………………………………………
10. To be responsible for someone or something 
……………………………………………………

2. Use the words in the box to complete the text below

In 2008, Rwanda people were 1. ………… to use bags made of paper, cloth or 2. ………… leaves. 

Breaking off from 3. ………… use proved how committed they are in helping our 4. …………. 

Rwanda started a big project of 5. ………… trees. They also trained some people in forest 6. …………. 

Rwanda also has a 7. …………drive named Umuganda which is held every last Saturday of the month. 

Every last Saturday of the month, 8. ………… to put off meeting your friends, take off your coats, 

and just clean! Rwanda also made another 9. ………… decision when it decided to upgrade and 

restore its national parks. Now, these parks and wetlands have become major tourist 10. …………. 

Tourist guides are now showing tourists where they can be found and how best we can take care of them.

3. Match half sentences in A with another half in B to make full sentences

A

B

Answers

1. The Earth Show discusses the increasing use of renewable energy sources, ….

2. Solar energy is the most efficient, ……

3. Hydroelectric energy is produced from water by dams, …….

4. However, it can cause pollution and disrupt rivers and waterways, ………

5. Wind energy is a clean source, …….

6. Ocean thermal energy uses tides to generate electricity, …….

7. Solar energy is considered the best 

alternative in countries like Cambodia, ……

a. which flows through turbines to generate electricity.

b. as it comes from the sun's natural resources and is not limited.

c. but the amount produced depends on weather conditions.

d. but different methods work best in different countries.

e. but wind farms are often located away from cities and can be noisy.

f. including solar, hydroelectric, wind, and ocean thermal energy.

g. potentially causing the death of fish and other animals.



4. There is one mistake in each sentence. Find and correct the mistakes

1.      Rwanda is a big country in East Africa.

2.      Rwanda is a role model in putting the national park and climate change as a priority.

3.      People are encouraged to use bags made of plastic, cloth, or banana leaves.

4.      They also trained some people in water management.

5.      Umuganda is voluntary and police officers monitor the streets and can make people clean on the spot.


5. Write an essay about environmental protection



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